Subtract 21/15 from 4/50
1st number: 4/50, 2nd number: 1 6/15
4/50 - 21/15 is -33/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 15 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
4/50 = 4 × 3/50 × 3 = 12/150 - Likewise, for the 2nd fraction, since 15 × 10 = 150,
21/15 = 21 × 10/15 × 10 = 210/150 - Subtract the two like fractions:
12/150 - 210/150 = 12 - 210/150 = -198/150 - After reducing the fraction, the answer is -33/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/50-21/15 4/50-42/15 4/50-21/30 12/50-21/15 4/50-63/15 4/50-21/45 20/50-21/15 4/50-21/75 28/50-21/15